Fix #453 - Update Aws rds certificates to rds-ca-rsa2048-g1

[BreakingPitt]

Pull Request

Description

This pull request addresses and fixes issue #453.

In this fix, the AWS RDS certificates used in the application have been updated to use the "rds-ca-rsa2048-g1" certificate, addressing the issue reported in #453.

This change ensures improved security and compliance with the latest certificate standards of AWS RDS.

Fixes #453

Checklist:

• [X] My code follows OCF's coding style guidelines
• [X] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [X] I have checked my code and corrected any misspellings